arcus / ˈɑr kəs /

🎓大学词汇拱门弧度弧线弧形

arcus 的定义

n. 名词 noun

plural ar·cus.Meteorology.

  1. a dense, horizontal, roll-shaped cloud sometimes occurring at the lower front portion of a cumulonimbus.

更多arcus例句

  1. Cum hoc arcus ejus extenditur, et primo sagittam in partem contrariam transmittit, et unum interficit.
  2. The frustules are curved or arcuate (arcus, a bow) in the side view, oblong and narrowed at the ends in the front view.
  3. Du Cange gives arcus sellae equestris as one of the meanings of circus.
  4. They are called arcus horarum inequalium, as they shew the 'houres inequales.'
  5. Its claim, as the parent of projectile implements, is recognized in the common etymology of arcus, arcualia—artillery.